And thou shalt make the robe of the ephod, the robe of office, on which the ephod was fastened, all of blue, of the hyacinth-colored material which reminded them of the heavenly origin and character of the high-priestly office. This outer garment reached to the knees, leaving the skirts of the inner garment in plain sight.
Related Commentaries of Exodus 28:31
Exodus 28:31
31 And thou shalt make the robe of the ephod all of blue.